Can crusher



FIG. 1 is a perspective view of the can crusher embodying the design of the present invention;

FIG. 2 is a front elevational view thereof, the rear and sides each being a mirror image of the front shown in FIG. 2; and,

FIG. 3 is a top plan view thereof, the bottom view being a mirror image of the top view shown in FIG. 3; 

The ornamental design for a can crusher as shown and described. 